JZ-7型空气制动机自阀重联柱塞阀,当自阀手柄在取柄位时,柱塞右移,沟通自锁→中均管4的通路,使中继阀()。
参考答案:自锁
In the past 50 years, under the leadership of the CPC, the situation of Tibet has___________much better than it used to.
A.turned to
B.turned off
C.turned out
D.turned into
会计结算部负责()等工作
A.账务核算
B.定价
C.凭证管理
D.内控管理